#include        <stdio.h>
#include        <stdlib.h>
#include        <termios.h>

int main()
{
        struct termios info;
	 int rv;
	 rv = tcgetattr( 0, &info );     /* read values from driver      */
	 if ( rv == -1 ){
	 perror( "tcgetattr");
	 exit(1);							        }					     if ( info.c_lflag & ECHO )
	 printf(" echo is on , since its bit is 1\n");		   else
	 printf(" echo is OFF, since its bit is 0\n");
	 
	return 0;}
